(19)

(11)

EP 1 436 751 A1

(12)

(43) Date of publication: 14.07.2004 Bulletin 2004/29 (21) Application number: 02798888.0 (22) Date of filing: 17.09.2002

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/SE2002/001668 (87) International publication number: WO 2003/025817 (27.03.2003 Gazette 2003/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 21.09.2001 US 957457 (71) Applicant: OM Technology AB 105 78 Stockholm (SE)	(72) Inventor: GUSTAFSON, Leif S-17569 Järfälla (SE) (74) Representative: Sandström, Staffan Sven  OM Technology AB 105 87 Stockholm 105 87 Stockholm (SE)